up ‧ size /ˈʌpsaɪz/ BrE AmE verb [intransitive and transitive]
to become larger in size, amount etc, or to make something do this:
Do you want me to upsize your fries?
up ‧ size /ˈʌpsaɪz/ BrE AmE verb [intransitive and transitive]
to become larger in size, amount etc, or to make something do this:
Do you want me to upsize your fries?
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012